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Scalar and Vector quantities:
A quantity is a scalar if it is completely defined by its magnitude alone. For example: Length, area, and time. While quantity is said to be vector if it is completely defined when its magnitude and direction are specified. For example: Force, acceleration, and velocity.
Vector quantity can be represented by its direction, magnitude, point of application. Length of line is magnitude, inclination of line is the direction of, and in the figure given below C is called as point of application.
Figure
Here AC represent vector acting from point A to C T = Tail of vector
H = Head of vector
Q = Direction of vector
Arrow represents Sense.
In a 4-Bar process the following data is given :- Length of crank (AB) = 300 mm, Length of link AD = 600 mm, Length of links BC = CD = 360 mm, Angle BAD ie ∠BAD = 60o ,
Drivers for a common international standard The drivers for a common international standard included : Global commerce and data exchange; Increasingly complex produ
Figure shows rough sketch of a selected representative critical part of a "Quick Coupler" (of an earth moving equipment) made with cast steel. You need to perform FEA analysis to
maximum coefficient of friction in metal forming
Find out the reactions at hinge: A board ABCD is held in position as shown in Figure by a cable BE and a hinge at A. If the weight of the board is 5 kN, find out the reactions
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Q. Find the dimension of strongest rectangular beam that can be cut out of log of 25 mm diameter. Sol .: b 2 + d 2 = 25 2 d 2 = 25 2 - b 2 As M/I = σ/y; M =
Illustrate how the efficiency of Rankine Cycle can be improved by the use of Regenerative and Reheat heating. (b) During a test on boiler trial the following data were obtained
The end gear is subjected to the loading given in the picture below. If the bearings A & B exerts only Z & Y component of forces on the shaft, Verify the equilibrium torque T at ge
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